Hanauma Bay in Oahu ranked first in 2004.

Handout

The classic Hawaii snorkeling spot is a short drive from Waikiki. It's often overrun by midmorning and there's a traffic jam of snorkels weaving through the waves. But sometimes the beaten path is worn for a reason. An underwater park since 1967, it combines a spectacular reef with nearby deep waters, bringing schools of fish together in one compact space.

The classic Hawaii snorkeling spot is a short drive from Waikiki. It's often overrun by midmorning and there's a traffic jam of snorkels weaving through the waves. But sometimes the beaten path is worn for a reason. An underwater park since 1967, it combines a spectacular reef with nearby deep waters, bringing schools of fish together in one compact space.